The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 17 May 2013 06:18 (UTC+1000)

50 Most active ASes for the past 7 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	36998	211390	9.94%	1237	170.89	SDN-MOBITEL
2	9829	46479	2.18%	1511	30.76	BSNL-NIB National Internet Backbone
3	8402	35090	1.65%	2015	17.41	CORBINA-AS OJSC "Vimpelcom"
4	34875	30967	1.46%	165	187.68	YANFES OJSC "Rostelecom"
5	31148	28573	1.34%	795	35.94	FREENET-AS Freenet Ltd.
6	7552	27491	1.29%	1182	23.26	VIETEL-AS-AP Vietel Corporation
7	5800	27044	1.27%	241	112.22	DNIC-ASBLK-05800-06055 - DoD Network Information Center
8	28573	26943	1.27%	3973	6.78	NET Serviços de Comunicação S.A.
9	15003	26262	1.23%	847	31.01	NOBIS-TECH - Nobis Technology Group, LLC
10	10620	18972	0.89%	2632	7.21	Telmex Colombia S.A.
11	34744	18709	0.88%	676	27.68	GVM S.C. GVM SISTEM 2003 S.R.L.
12	27738	18327	0.86%	567	32.32	Ecuadortelecom S.A.
13	9416	16368	0.77%	52	314.77	MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc.
14	3909	16180	0.76%	32	505.62	QWEST-AS-3908 - Qwest Communications Company, LLC
15	2708	15117	0.71%	147	102.84	Universidad de Guanajuato
16	24532	14742	0.69%	47	313.66	INET-AS-ID PT. Inet Global Indo
17	4538	13651	0.64%	522	26.15	ERX-CERNET-BKB China Education and Research Network Center
18	2914	12826	0.60%	537	23.88	NTT-COMMUNICATIONS-2914 - NTT America, Inc.
19	2118	12823	0.60%	1390	9.23	RELCOM-AS OOO "NPO Relcom"
20	33776	12043	0.57%	184	65.45	STARCOMMS-ASN
21	22561	11896	0.56%	1178	10.10	DIGITAL-TELEPORT - Digital Teleport Inc.
22	30693	11555	0.54%	384	30.09	EONIX-CORPORATION-AS-WWW-EONIX-NET - Eonix Corporation
23	45899	10951	0.51%	377	29.05	VNPT-AS-VN VNPT Corp
24	647	10161	0.48%	133	76.40	DNIC-ASBLK-00616-00665 - DoD Network Information Center
25	29684	9438	0.44%	57	165.58	NOURNET-ASN Nour Communication Co.Ltd - Nournet
26	50710	8990	0.42%	232	38.75	EARTHLINK-AS EarthLink Ltd. Communications&Internet Services
27	6713	8733	0.41%	542	16.11	IAM-AS
28	2697	8709	0.41%	210	41.47	ERX-ERNET-AS Education and Research Network
29	29049	8637	0.41%	340	25.40	DELTA-TELECOM-AS Delta Telecom LTD.
30	18207	8330	0.39%	554	15.04	YOU-INDIA-AP YOU Broadband & Cable India Ltd.
31	48612	8190	0.38%	14	585.00	RTC-ORENBURG-AS CJSC "Comstar-Regions"
32	13489	7988	0.38%	433	18.45	EPM Telecomunicaciones S.A. E.S.P.
33	6629	7469	0.35%	64	116.70	NOAA-AS - NOAA
34	24560	6998	0.33%	1074	6.52	AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services
35	21299	6946	0.33%	227	30.60	ORBITA-PLUS-AS ORBITA-PLUS Autonomous System
36	12880	6748	0.32%	136	49.62	DCI-AS Information Technology Company (ITC)
37	14680	6723	0.32%	3	2241.00	REALE-6 - Auction.com
38	11664	6675	0.31%	317	21.06	Techtel LMDS Comunicaciones Interactivas S.A.
39	24193	6515	0.31%	242	26.92	SIFY-IN Sify Limited Service Provider India
40	26615	6504	0.31%	362	17.97	Tim Celular S.A.
41	16608	6366	0.30%	21	303.14	KENTEC - Kentec Communications, Inc.
42	34143	6189	0.29%	171	36.19	IHOME-AS Freenet Ltd.
43	6174	6042	0.28%	2	3021.00	SPRINTLINK8 - Sprint
44	17974	5893	0.28%	2514	2.34	TELKOMNET-AS2-AP PT Telekomunikasi Indonesia
45	10094	5551	0.26%	94	59.05	BRUNET-AS BruNet ISP, Telekom Brunei Berhad
46	10722	5550	0.26%	86	64.53	ALCOA - Aluminum Co. of America
47	45510	5539	0.26%	179	30.94	TELCOINABOX-AU Level 10, 9 Hunter Street
48	27773	5500	0.26%	328	16.77	MILLICOM CABLE EL SALVADOR S.A. DE C.V.
49	5384	5479	0.26%	205	26.73	EMIRATES-INTERNET Emirates Telecommunications Corporation
50	27947	5244	0.25%	844	6.21	Telconet S.A
Total		855506	40.21%

50 Most active ASes for the past 7 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	6629	7469.0	0.35%	64	7469	NOAA-AS - NOAA
2	19406	4193.0	0.20%	11	4193	TWRS-MA - Towerstream I, Inc.
3	6174	3021.0	0.28%	2	6042	SPRINTLINK8 - Sprint
4	3909	2311.4	0.76%	32	16180	QWEST-AS-3908 - Qwest Communications Company, LLC
5	14680	2241.0	0.32%	3	6723	REALE-6 - Auction.com
6	37318	2112.0	0.10%	1	2112	BESA
7	16536	1931.0	0.09%	1	1931	HPES - Hewlett-Packard Company
8	60811	1730.0	0.08%	1	1730	SAIPAYADAH-AS Saipa Yadak Co. PLC
9	37367	1476.0	0.14%	2	2952	CALLKEY
10	33920	1466.5	0.14%	9	2933	AQL (aq) Networks Limited
11	19796	1038.0	0.10%	5	2076	SHUBERT - Shubert Organization, Inc.
12	42334	758.7	0.11%	17	2276	BBP-AS Broadband Plus s.a.l.
13	1273	756.8	0.18%	305	3784	CW Cable and Wireless Worldwide plc
14	48612	585.0	0.38%	14	8190	RTC-ORENBURG-AS CJSC "Comstar-Regions"
15	8382	568.0	0.03%	10	568	IRTEL-AS OJSC Rostelecom
16	37343	558.0	0.16%	6	3348	AirtelSeychelles
17	37307	526.0	0.02%	1	526	AGRA
18	58385	475.5	0.04%	4	951	BSM-AS-ID PT. Bank Syariah Mandiri
19	57798	433.7	0.06%	4	1301	IT-NET-LTD-AS IT-Net ltd.
20	15741	423.0	0.02%	1	423	NETEXPILINE Expiline Ltd.
21	8137	422.0	0.02%	17	422	DISNEYONLINE-AS - Disney Online
22	2	420.0	0.02%	1	420	UDEL-DCN - University of Delaware
23	57201	405.0	0.02%	1	405	EDF-AS Estonian Defence Forces
24	3	399.0	0.02%	1	399	MIT-GATEWAYS - Massachusetts Institute of Technology
25	53391	370.0	0.02%	2	370	STARV-NET - StarView Solutions
26	41904	348.5	0.03%	2	697	SGAICE-AS JSC Severgazautomatica ICE Small ISP in Novy Urengoy Russia
27	59614	336.0	0.02%	1	336	URALMICRO-AS Uralmicro Ltd
28	8614	334.0	0.09%	6	2004	ITC-AS ITC Institutul Pentru Tehnica De Calcul SA
29	57851	332.0	0.02%	1	332	GENESIS-HOUSING-ASSOCIATION-LIMITED Genesis Housing Association Limited
30	51832	328.5	0.03%	2	657	ROMKATEL-AS ROMKATEL SRL
31	58210	328.0	0.02%	1	328	SKYNET-AS SkyNet Ltd.
32	30945	324.0	0.02%	1	324	BELSOFT-AS NPP BELSOFT Inc.
33	12654	323.3	0.21%	26	4526	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
34	16608	318.3	0.30%	21	6366	KENTEC - Kentec Communications, Inc.
35	32529	316.0	0.01%	1	316	CGI-FEDERAL-ASN-1 - CGI Federal
36	9416	314.8	0.77%	52	16368	MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc.
37	24532	313.7	0.69%	47	14742	INET-AS-ID PT. Inet Global Indo
38	26341	309.0	0.01%	5	309	OSI-ASP - Open Solutions Inc.
39	10722	308.3	0.26%	86	5550	ALCOA - Aluminum Co. of America
40	20873	304.7	0.09%	6	1828	ASP5 P-Five Ltd
41	3	302.0	0.01%	1	302	MIT-GATEWAYS - Massachusetts Institute of Technology
42	52888	297.9	0.18%	13	3873	UNIVERSIDADE FEDERAL DE SAO CARLOS
43	16803	296.7	0.04%	5	890	MYAKKATECH1 - Myakka Technologies, Inc.
44	45708	294.0	0.04%	4	882	SURABAYA-AS-ID Pemerintah Kota Surabaya
45	56669	293.0	0.01%	1	293	NNGS-AS Noyabrskneftegazsvyaz Ltd
46	2	292.2	0.07%	5	1461	UDEL-DCN - University of Delaware
47	59605	292.0	0.01%	4	292	ZAINGP-AS Zain Group - Wholesale
48	13425	289.0	0.01%	1	289	JUNO-DC-1 - Juno Online Services, Inc.
49	31094	287.9	0.22%	30	4607	TTKNET OJSC Rostelecom
50	37261	287.0	0.03%
Total		43860.4	6.85%

50 Most active Prefixes for the past 7 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	209.142.140.0/24	10525	0.46%	22561 -- DIGITAL-TELEPORT - Digital Teleport Inc.
2	193.19.90.0/23	9090	0.40%	29684 -- NOURNET-ASN Nour Communication Co.Ltd - Nournet
3	203.118.224.0/21	8098	0.36%	9416 -- MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc.
4	92.246.207.0/24	8093	0.36%	48612 -- RTC-ORENBURG-AS CJSC "Comstar-Regions"
5	203.118.232.0/21	7942	0.35%	9416 -- MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc.
6	192.58.232.0/24	7469	0.33%	6629 -- NOAA-AS - NOAA
7	202.41.70.0/24	6579	0.29%	2697 -- ERX-ERNET-AS Education and Research Network
8	12.139.133.0/24	5441	0.24%	14680 -- REALE-6 - Auction.com
9	151.118.255.0/24	5391	0.24%	3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
10	151.118.254.0/24	5391	0.24%	3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
11	151.118.18.0/24	5381	0.24%	3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
12	173.232.234.0/24	5096	0.22%	30693 -- EONIX-CORPORATION-AS-WWW-EONIX-NET - Eonix Corporation
13	173.232.235.0/24	5096	0.22%	30693 -- EONIX-CORPORATION-AS-WWW-EONIX-NET - Eonix Corporation
14	209.240.40.0/21	4964	0.22%	32020 -- TRANSACT-BM-ASN - Transact Ltd.
15	69.38.178.0/24	4193	0.18%	19406 -- TWRS-MA - Towerstream I, Inc.
16	194.63.9.0/24	3773	0.17%	1273 -- CW Cable and Wireless Worldwide plc
17	64.187.64.0/23	3524	0.15%	16608 -- KENTEC - Kentec Communications, Inc.
18	206.105.75.0/24	3021	0.13%	6174 -- SPRINTLINK8 - Sprint
19	208.16.110.0/24	3021	0.13%	6174 -- SPRINTLINK8 - Sprint
20	41.75.40.0/21	2949	0.13%	37367 -- CALLKEY
21	78.40.240.0/24	2932	0.13%	33920 -- AQL (aq) Networks Limited
22	2.93.235.0/24	2902	0.13%	8402 -- CORBINA-AS OJSC "Vimpelcom"
23	64.187.64.0/24	2817	0.12%	16608 -- KENTEC - Kentec Communications, Inc.
24	84.205.66.0/24	2455	0.11%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
25	62.84.76.0/24	2272	0.10%	42334 -- BBP-AS Broadband Plus s.a.l.
26	196.43.210.0/24	2112	0.09%	37318 -- BESA
27	207.246.218.0/24	2074	0.09%	19796 -- SHUBERT - Shubert Organization, Inc.
28	206.122.157.0/24	1931	0.08%	16536 -- HPES - Hewlett-Packard Company
29	161.139.100.0/22	1891	0.08%	24514 -- MYREN-MY Malaysian Research & Education Network 9930 -- TTNET-MY TIME dotCom Berhad
30	213.156.73.0/24	1738	0.08%	20873 -- ASP5 P-Five Ltd
31	46.209.202.0/24	1737	0.08%	42337 -- RESPINA-AS Respina Networks & Beyond PJSC 60811 -- SAIPAYADAH-AS Saipa Yadak Co. PLC
32	115.170.128.0/17	1698	0.07%	4847 -- CNIX-AP China Networks Inter-Exchange
33	81.28.116.0/24	1651	0.07%	47887 -- NEU-AS NEU Telecom & Technologies
34	194.219.56.0/24	1290	0.06%	1241 -- FORTHNET-GR Forthnet
35	88.216.171.0/24	1266	0.06%	33922 -- NTT-LT-AS UAB Nacionalinis Telekomunikaciju Tinklas
36	176.107.249.0/24	1248	0.05%	57798 -- IT-NET-LTD-AS IT-Net ltd.
37	148.208.137.0/24	1226	0.05%	8151 -- Uninet S.A. de C.V.
38	23.55.160.0/20	1045	0.05%	2914 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc.
39	184.25.128.0/20	1045	0.05%	2914 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc.
40	23.55.176.0/20	1045	0.05%	2914 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc.
41	23.11.16.0/20	1045	0.05%	2914 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc.
42	23.55.192.0/20	1045	0.05%	2914 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc.
43	23.11.0.0/20	1045	0.05%	2914 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc.
44	184.26.16.0/22	1044	0.05%	2914 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc.
45	23.11.240.0/22	1043	0.05%	2914 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc.
46	23.11.252.0/23	1043	0.05%	2914 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc.
47	184.25.150.0/23	1043	0.05%	2914 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc.
48	23.11.254.0/23	1043	0.05%	2914 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc.
49	23.11.244.0/22	1043	0.05%	2914 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc.
50	209.88.92.0/22	1019	0.04%	37204 -- TELONE
Total		161825	7.15%

7 Day BGP Profile: 10-May-2013 00:00 - 16-May-2013 23:59 (UTC+1000)

Number of BGP Update Messages:	906523
Number of Prefix Updates:	2127722
Number of Prefix Withdrawals:	146794
Average Prefixes per BGP Update:	2.51
Average BGP Update Messages per second:	1.31
Average Prefix Updates per second:	3.29
Peak BGP Update Message Rate per second:	1374	(20:06:17 Tue, 14-May-2013)
Peak Prefix Update Rate per second:	1067	(06:39:31 Thu, 16-May-2013)
Peak Prefix Withdraw Rate per second:	4722	(02:02:31 Thu, 16-May-2013)
Prefix Count:	465071
Updated Prefix Count:	184919
Stable Prefix Count:	280152
Origin AS Count:	44213
Updated Origin AS Count:	21655
Stable Origin AS Count:	22558
Unique Path Count:	213676
Updated Path Count:	122401
Stable Path Count:	91275

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.